World-class smart contract security audit services, tools, and education

We deliver world-class smart contract audits, developer tools, and blockchain developer courses to hundreds of thousands of users, partners, and protocols

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Trusted by the biggest protocols and chains

Private smart contract audit services

Helping secure over $10B of DeFi TVL

The Cyfrin ecosystem combines industry-leading smart contract auditors, blockchain education courses, and the most comprehensive security research platform to enhance the security of the world’s most targeted protocols and organizations in DeFi.

Enhance the security of your protocol

Trusted by the world's biggest protocols, we only work with lead security researchers to ensure the highest security standards.

Level up your engineering team

Cyfrin’s security engineers work directly with your team. We help you improve your code and align your risk management security measures with the best practices.

Establish trust with your users

Smart contract audits are vital in communicating maturity and safety to your users.

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Supported Chains

Bringing security to every chain

Our Platforms

Securing the blockchain ecosystem, one platform at a time

Cyfrin is reshaping blockchain security with advanced tools and platforms, serving thousands of developers and protocols every day.

Competitive Audits Platform

Cyfrin CodeHawks helps protect protocols, users, and funds with competitive smart contract audits. Your protocol benefits from access to a network of the world’s top auditors and our community.

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Blockchain Developer Courses and Web3 Education

Cyfrin Updraft helps the best blockchain engineers land their jobs. Go from novice to expert: learn Solidity, Foundry, and Smart Contract Security and Auditing. Level up your career guided by industry-leading educators.

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Smart Contract Security Research

Solodit is a comprehensive security research platform that aggregates security vulnerabilities, bounties, contests, and resources from many blockchain security firms.

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Cyfrin Tools

Improving the industry's developer experience

We create industry-standard, secure, and highly performant smart contract security tools for developers and protocols.

Aderyn - Solidity Static Analyzer

Automatically analyze your codebase and find critical vulnerabilities in an easy-to-digest format.

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CCIP Testing Suite

A collection of contracts and tests to enhance the security of CCIP based protocols.

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Foundry DevOps

Interact with previous smart contract deployments inside a Foundry environment.

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The blockchain security problem

Hackers steal more than $2B every year from on-chain protocols due to security issues.

120+

Projects hacked

Every year, hundreds of protocols get hacked. the majority have never been properly audited.

10+

Avg number of bugs in smart contracts

Every protocol on every chain can be the target of exploits. Security is an interoperable standard.

$1B+

TVL stolen

DeFi protocols lose millions of dollars every year from exploits due to insufficient security practices.

30+

Cross-chain protocols hacked

Hackers breach multiple cross-chain protocols each year, highlighting the need for better security standards and more diligent smart contract development best practices.

Our mission

We’re on a mission to secure the future of finance

Cyfrin is committed to delivering industry-leading smart contract security audits and developer education to our partners, their projects, customers, and developers at all levels worldwide.

We're on a mission to create a secure, safe, reliable, and transparent on-chain environment for everyone.

Testimonials

We’re making protocols safer— but don’t just take our word for it

Here's a sneak peek into our previous smart contract audits and how we've helped secure tens of billions of dollars across blockchains and protocols.

Enhancing the security of Oku Trade on-chain limit orders.

It was a pleasure to work with the Cyfrin team. Their approach to security and meticulous testing is exceptionally thorough. Additionally, their intimate knowledge of the Chainlink protocol made them particularly useful for our audit.

—

Getty Hill, Oku Trade Founder

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Our team

An all-star, world-class team

Home to some of the best smart contract security researchers in the market— professionals at Cyfrin come from backgrounds like Chainlink, Alchemy, Aragon, Worldcoin, Microsoft, and Google.

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Secure your protocol today

Join some of the biggest protocols and companies in creating a better internet. Our security researchers will help you throughout the whole process.

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